228385026 has 48 divisors (see below), whose sum is σ = 504934560. Its totient is φ = 74589120.

The previous prime is 228385019. The next prime is 228385043. The reversal of 228385026 is 620583822.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234721 + ... + 235691.

It is an arithmetic number, because the mean of its divisors is an integer number (10519470).

Almost surely, 2^228385026 is an apocalyptic number.

228385026 is an abundant number, since it is smaller than the sum of its proper divisors (276549534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228385026 is a wasteful number, since it uses less digits than its factorization.

228385026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231 (or 1228 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 228385026 is about 15112.4129774169. The cubic root of 228385026 is about 611.2551652492.

The spelling of 228385026 in words is "two hundred twenty-eight million, three hundred eighty-five thousand, twenty-six".